結果 : is 9 hours of sleep okay
6:02

What Would Happen If You Got 9 hours of Sleep for 7 Days

Dr. Eric Berg DC
386,740 回視聴 - 3 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
107,147 回視聴 - 11 年前
2:55

How much sleep do you really need? | Sleeping with Science, a TED series

TED
658,495 回視聴 - 4 年前
3:54

Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

TED
3,008,430 回視聴 - 2 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
759,897 回視聴 - 7 年前
6:25

Can You Sleep Too Much? (The Answer Might Surprise You)

Better Than Yesterday
393,922 回視聴 - 5 年前
4:10

What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours

Body Hub
84,132 回視聴 - 3 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,496,459 回視聴 - 10 年前
11:54:59

Sleep with Waterfall & Stream Sounds | 10 Hours of Relaxing Water Noise

Audio Relax
739 回視聴 - 1 日前 に配信済み
0:30

How Much Sleep Do You Really Need? - Professor Of Neuroscience

Deep Dive with Ali Abdaal
51,997 回視聴 - 1 年前
1:58

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired

Insider Tech
449,008 回視聴 - 7 年前
6:38

The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

TED
2,068,998 回視聴 - 6 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,503,616 回視聴 - 6 年前
5:51

How lack of sleep affects health and tips for a good night's rest

CBS Mornings
267,912 回視聴 - 7 年前
6:12

How Sleep Affects Your Gains (And How To Get More Of It!)

Jeremy Ethier
327,956 回視聴 - 5 年前
10:33

10 Sleep Myths Finally Debunked

TopThink
1,102,821 回視聴 - 4 年前
1:01

Why you're still tired after getting 8 hours of sleep

WCNC
144,132 回視聴 - 4 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
126,166 回視聴 - 13 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,128,644 回視聴 - 8 年前
3:33

How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster

Deep Dive with Ali Abdaal
57,903 回視聴 - 2 年前